Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 49, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at May 29, 1993, 4:41 PM EDT for Chatham County, North Carolina. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- May 29, 1993, 4:41 PM EDT (20:41 UTC)
- Expired
- May 29, 1993, 5:30 PM EDT
- In force
- 49 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Chatham County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.7 hours before the alert went out and 72 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 209 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1166 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KRDU 292042 SVRRAH NCC037-292130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 441 PM EDT SAT MAY 29 1993 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...WESTERN CHATHAM COUNTY AT 441 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE RANDOLPH...CHATHAM COUNTY LINE ABOUT 5 MILES NORTHWEST OF SILER CITY. THE STORM WAS MOVING TO THE SOUTH SOUTHEAST AT 20 MPH. PEOPLE AFFECTED BY THIS STORM SHOULD BE ESPECIALLY ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN POSE A DANGER WITH ANY THUNDERSTORM. REPORT DAMAGE TO LOCAL EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 29, 3:29 PM EDT, 1 hour 12 minutes before
NCZ009-007-006-292030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 329 PM EDT SAT MAY 29 1993 ...SHOWERS AND THUNDERSTORMS SCATTERED ACROSS THE NORTHWEST PIEDMONT..NORTHERN FOOTHILLS..AND NORTHERN MOUNTAINS OF NORTH CAROLINA... AT 325 PM EDT RADAR SHOWED WIDELY SCATTERED SHOWERS AND THUNDERSTORMS IN THE NORTHWEST PIEDMONT..NORTHERN FOOTHILLS AND NORTHERN MOUNTAINS OF NORTH CAROLINA. THE STRONGEST THUNDERSTORMS..PRODUCING VERY HEAVY DOWNPOURS AND POSSIBLY HAIL..WERE OCCURING IN NORTHERN AND EASTERN SECTIONS OF GUILFORD COUNTY..JUST NORTH AND EAST OF GREENSBORO. SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 15 MPH. PERSONS IN THE NORTHWEST PIEDMONT..NORTHERN FOOTHILLS AND NORTHERN MOUNTAINS OF NORTH CAROLINA SHOULD REMAIN ALERT FOR THUNDERSTORMS WITH VERY HEAVY DOWNPOURS..DEADLY LIGHTING..STRONG WIND GUSTS AND HAIL. IF THREATENING WEATHER APPROACHES YOUR LOCATION..TAKE SHELTER IMMEDIATELY. SR
Special weather statement, May 29, 3:33 PM EDT, 1 hour 8 minutes before
NCZ009-007-006-292030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 329 PM EDT SAT MAY 29 1993 ...SHOWERS AND THUNDERSTORMS SCATTERED ACROSS THE NORTHWEST PIEDMONT..NORTHERN FOOTHILLS..AND NORTHERN MOUNTAINS OF NORTH CAROLINA... AT 325 PM EDT RADAR SHOWED WIDELY SCATTERED SHOWERS AND THUNDERSTORMS IN THE NORTHWEST PIEDMONT..NORTHERN FOOTHILLS AND NORTHERN MOUNTAINS OF NORTH CAROLINA. THE STRONGEST THUNDERSTORMS..PRODUCING VERY HEAVY DOWNPOURS AND POSSIBLY HAIL..WERE OCCURING IN NORTHERN AND EASTERN SECTIONS OF GUILFORD COUNTY..JUST NORTH AND EAST OF GREENSBORO. SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 15 MPH. PERSONS IN THE NORTHWEST PIEDMONT..NORTHERN FOOTHILLS AND NORTHERN MOUNTAINS OF NORTH CAROLINA SHOULD REMAIN ALERT FOR THUNDERSTORMS WITH VERY HEAVY DOWNPOURS..DEADLY LIGHTING..STRONG WIND GUSTS AND HAIL. IF THREATENING WEATHER APPROACHES YOUR LOCATION..TAKE SHELTER IMMEDIATELY. SR
Special weather statement, May 29, 4:25 PM EDT, 16 minutes before
NCZ003-005-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 425 PM EDT SAT MAY 29 1993 ...STRONG THUNDERSTORMS MOVING INTO PORTIONS OF THE NORTHEAST PIEDMONT... AT 423 PM RADAR WAS SHOWING SCATTERED STRONG THUNDERSTORMS OVER PORTIONS OF SOUTHWEST ORANGE COUNTY...SOUTHERN ALAMANCE AND INTO NORTHEAST RANDOLPH COUNTIES. THE STRONGEST STORM WAS NEAR LIBERTY IN NORTHEAST RANDOLPH COUNTY. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT ABOUT 15 MPH AND WILL BE AFFECTING ORANGE AND CHATHAM COUNTIES BETWEEN 425 AND 515 PM. STRONG GUSTY WINDS...HEAVY RAIN AND POSSIBLY HAIL WILL ACCOMPANY THESE STORMS. PWB
Special weather statement, May 29, 4:25 PM EDT, 16 minutes before
NCZ003-005-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 425 PM EDT SAT MAY 29 1993 ...STRONG THUNDERSTORMS MOVING INTO PORTIONS OF THE NORTHEAST PIEDMONT... AT 423 PM RADAR WAS SHOWING SCATTERED STRONG THUNDERSTORMS OVER PORTIONS OF SOUTHWEST ORANGE COUNTY...SOUTHERN ALAMANCE AND INTO NORTHEAST RANDOLPH COUNTIES. THE STRONGEST STORM WAS NEAR LIBERTY IN NORTHEAST RANDOLPH COUNTY. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT ABOUT 15 MPH AND WILL BE AFFECTING ORANGE AND CHATHAM COUNTIES BETWEEN 425 AND 515 PM. STRONG GUSTY WINDS...HEAVY RAIN AND POSSIBLY HAIL WILL ACCOMPANY THESE STORMS. PWB
Special weather statement, May 29, 4:30 PM EDT, 11 minutes before
NCZ007-006-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 430 PM EDT SAT MAY 29 1993 ...SCATTERED THUNDERSTORMS IN THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 420 PM EDT RADAR SHOWED SCATTERED THUNDERSTORMS IN THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA. THE STRONGEST THUNDERSTORMS..CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS..GUSTY WINDS.. DEADLY LIGHTNING AND HAIL..WERE OCCURRING IN NORTHEASTERN RANDOLPH AND SOUTHEASTERN GUILFORD COUNTIES IN NORTH CAROLINA. THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 15 MPH. PERSONS IN THE NORTHERN FOOTHILLS..AND NORTHWEST PIEDMONT OF NORTH CAROLINA SHOULD REMAIN ALERT FOR THUNDERSTORMS WITH VERY HEAVY DOWNPOURS..STRONG GUSTY WINDS..DEADLY LIGHTNING AND HAIL. IF STORMS APPROACH YOUR LOCATION..TAKE SHELTER IMMEDIATELY. SR
Special weather statement, May 29, 4:33 PM EDT, 8 minutes before
NCZ007-006-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 430 PM EDT SAT MAY 29 1993 ...SCATTERED THUNDERSTORMS IN THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA... AT 420 PM EDT RADAR SHOWED SCATTERED THUNDERSTORMS IN THE NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA. THE STRONGEST THUNDERSTORMS..CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS..GUSTY WINDS.. DEADLY LIGHTNING AND HAIL..WERE OCCURRING IN NORTHEASTERN RANDOLPH AND SOUTHEASTERN GUILFORD COUNTIES IN NORTH CAROLINA. THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 15 MPH. PERSONS IN THE NORTHERN FOOTHILLS..AND NORTHWEST PIEDMONT OF NORTH CAROLINA SHOULD REMAIN ALERT FOR THUNDERSTORMS WITH VERY HEAVY DOWNPOURS..STRONG GUSTY WINDS..DEADLY LIGHTNING AND HAIL. IF STORMS APPROACH YOUR LOCATION..TAKE SHELTER IMMEDIATELY. SR
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:06 PM EDT | Severe Thunderstorm Warning | RAH | Vance | 47 min |
| May 29, 7:43 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 47 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1993Every severe thunderstorm warning in 1993
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.